216267603604 has 24 divisors (see below), whose sum is σ = 407698347168. Its totient is φ = 99787140960.

The previous prime is 216267603589. The next prime is 216267603613. The reversal of 216267603604 is 406306762612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414142 + ... + 777205.

It is an arithmetic number, because the mean of its divisors is an integer number (16987431132).

Almost surely, 2^216267603604 is an apocalyptic number.

It is an amenable number.

216267603604 is a deficient number, since it is larger than the sum of its proper divisors (191430743564).

216267603604 is a wasteful number, since it uses less digits than its factorization.

216267603604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194855 (or 1194853 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 216267603604 in words is "two hundred sixteen billion, two hundred sixty-seven million, six hundred three thousand, six hundred four".